Dynamic MSI-X is supported. Clear VFIO_IRQ_INFO_NORESIZE to provide guidance to user space.
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| @@ -511,6 +511,9 @@ struct vfio_region_info_cap_nvlink2_lnkspd { · 510 unmodified lines | |||
| 511 | * then add and unmask vectors, it's up to userspace to make the decision | 511 | * then add and unmask vectors, it's up to userspace to make the decision |
| 512 | * whether to allocate the maximum supported number of vectors or tear | 512 | * whether to allocate the maximum supported number of vectors or tear |
| 513 | * down setup and incrementally increase the vectors as each is enabled. | 513 | * down setup and incrementally increase the vectors as each is enabled. |
| 514 | * Absence of the NORESIZE flag indicates that vectors can be enabled | ||
| 515 | * and disabled dynamically without impacting other vectors within the | ||
| 516 | * index. | ||
| 514 | */ | 517 | */ |
| 515 | struct vfio_irq_info { | 518 | struct vfio_irq_info { |
| 516 | __u32 argsz; | 519 | __u32 argsz; |